Spring-equalizing arrangement



E. G.-HLLQUST SPRING BQUALIZING ARRANGMENT 4 Sheets-Sheet Filed Oct. 13, 1927 Feb. 2s, 1929. .f 1,703,525

G. HALLQUIST sPnNG EQUALIZING fA-RRANGMET Fil-ed Oct. 13, 1927 4 Sheets-Sheet 2 Feb. 26, 1929.

. E. G. HALLQUIST SPRING EQUALIZING ARRANGMENT 'Filed Oct-13, 192'? 4 Sheets-Sheet Feb. 26, 1929. 1,703,525

E. G. HALLQUlsT SPRING EQUALIZING ARRANGMENT Filed oct. 13, 192'? 4 sheets-*sheet 4 N VEN TOR Patented Feb. 26,' 1929.

UNITED "STATES PATENT OFFICE' N EINARG. HALLQUIST, OF EDWARDSVILLE, ILLINOIS, .ASSIGNOR TO COMMONWEALTH f STEEL COMPANY, OF GRANITE CITY, ILLINOIS, A CORPORATION OF NEW JERSEY.

'SPRING-EQUALIZING ARRANGEMENT.

Application kfiled. October 13, `192'?. Serial No. 225,895. A i

This invention relates to railway rolling stool; and consists in a novel spring equalizing arrangement Vfor connecting two spring systems, such as are used for supporting vehicle structure from two sets of wheels. A Hfamiliar example of such a spring system is that used for` supporting the main frame and the trailer' truck frame of a locomotive but it is to be understood that other com` binations of spring systems may embody my invention whether, or not locomotive main frame and trailer truck frames and their springs are involved or'whether or not separate frames are utilized. i. i

On present locomotive and trailertruck structures, it is customary for the driver journal boxes and the springs carri-ed thereon to be located inside of the driver wheels. ln order to accommodate the iirebox kashpan, it is customary Vfor the adjacent trailer journal axle boxes and springs carried thereon to be located outside of the trail-er wheels. It is also customary to provide a truck frame separatefrom the main frame and loca-ted below a rearward extension of the main frame, which carries the firebox, cab structure, etc., and it is customary to connect the inside springs, directly supporting the main frame, to the outside springs, supporting the truclr frame, through diagonal equalizers fulcrumed on one of the frames andextending beneath the ends of the adjacent springs and suspended directly therefrom; The closer the distance between the respective driver and truck wheels, or the distance Abctween the contiguous ends of springs mounte-d on the driver and truck journals', the more likelihood there is of interference'between the equalizer bar and one or both of the adjacent wheels or brake gear applied to the wheels. n

The object of my invention is to eliminate the possibility of such interference by providing a structure which makes possible the use of an equalizer connecting inside and outside springs without unduly limiting the close assembly of the corresponding wheels and springs or`v brake gear applied thereto.

In the accompanyingl drawings which illustrate my inventioni i Figure 1 is a top view of the longitudinal half of the rear portion of a locomotive main frame showing the rear driver and a four wheel trailer truck supporting the main frame.

vFigure 2 is a side elevation of the same, i c

Figures 3 and 4 are detail top view and side elevation, largely diagrammatic, of adjacent driver' and truck wheels illustrating a modified embodiment of m invention.

Figure 5is an end view of t ie driver spring. and hanger arrangement.

Figures 6, 7 and 8 correspond to Figures 3, 4 and 5, but illustrate another modification of my invention.

Figures9 and 10 are, respectively, top and side views of another modification of my invention.

Figures 11 and 12 are, respectively, top and side views o f another modiiicationof/my invention. t v i In the construction shown in Figures 1 and Q, themain frame is indicated at 1, and is provided with a rearward extension or cradle r2 which may be formed integrally withV the main frame or may be separately formed and secured thereto. It will be understood that the cab, fire box, and ash pan j (not shown) vare carried by the cradle 2. The

rear driver is indicated yat?) and the rear driver spring is shown at 4. It will be understood that this spring is mounted on the driver box 5 and in the usual manner, and is interconnected to the Springs mounted on the forward drivers.

A four wheel trailer truck frame is shown as provided with outside wheel pieces 6 and terminating at its front end in the transverse et 13 which forms a fulcrum for voney end of.

a lever 14, the other endy of which is supported by hanger 15 from a cross bar 16 carried by the rear ends of driver springs 4. The forward end of each front truck spring 12 is provided with a hanger 17 which carries the rear end of an equalizerv 18, the oppo- 2 moa,

site end of which suspended 'trom lever 14 by a hanger 1 9. Equalizer 18 is l'ulcrumed at 2() to the ilorward portion oit the truck frame and supports the latter 'rom springs 4 and 12` It will be seen that this arrangement c-nables the iront end of the equalizer 18 -to be located at a point spaced from the end ot spring 4, whereby any desiredclearance may be provided between the equalizer and driver brake rigging Without necessitating,moving the truck frame rearwardly o1 the drivers. Atnthe same timethe stability of the truck 'trame is maintained because the other end o't equalizer i8 is supported outside oi the truclr wheels rather than inside of the truck wheels, as is necessary where a cross equalizer between the truck springs is used.

In the arrangement shown in Figjgures il to 5, iturther stability is provided by supporting the 'iront end oit lever 2l directly from the rear driver spring 22, by means oi? a hanger 23, and the elin'iination of a cross bar between the driver springs. In this arrangement the rear portion of lever 2l is itulcrumed on brackets 24 provided within the box-shaped transverse member 25 oit the truck frame, and this lever 2l is located at a substantially lower level than the lever shown in Figures l and 2. The arrangement of the truck spring 26, its hanger 27, and equalizer 28 is substantially the same as that shown in Figures l and 2.

In the construction shown in Figures 6, 7 and 8, I illustrate a modiiied structure which may be used where it is essential that the equalizer 29 be located within the wheels. In this construction, the driver springs 80 are connected by a cross bar 3l simi-lar to the arrangement shown in Figures l and 2, and the front end of the equalizer 29 is suspended from this cross bar by a hanger The rear end oit equalizer 29 issupported by linlr 33 from a cross lever 34 pivoted at 35 on the transverse member 86 of the 'trame and supported at its other end by a link 3T carried by the truck spring 38.

In Figures and l0 I illustrate another modification in which the truck 'trame cross member 40 is provided with brackets 4l for lsupporting one end of a lever 42, the other end of which is supported by a hanger 44 from a cross bar 43 carried by the driver springs S. in equalizer 45 is suspended `from lever 42 b v a link. 46, and, at its opposite end, is suspended irom the truck sprin A l?. io i'ar this eonsti'uctuni resembles those previously described, but 1t will be noted that the equalizer 45 supports the main frame 48 being ulcrumedon the latter at 49.

In the modiiication illustrated in Figures l1 and l2 I illustrate a. structure in which the radial truck frame is eliminated and the trailer wheels and axle are ournaled in the cradle which forms a rearward extension oit the main iframe 5l. The truck spring 52 supports the structure through a link 53, anchored to the cradle, and vthrough the equalizer 54 which is ulcrumed on the trame at 5) and is suspended from the other end oi spring 52 and from a lever 55 pivoted on the trame at 56 and suspended atits opposite end by a link 58 from the cross bar 57 carried by the driver springs 60.

In my copending application Serial No. 226,890, iiled of even date herewith, I describe and claim a novel equalizing arrangement in which the equalizer supporting lever is 'ulcrumed on the main trame of the locomotive independently of the truck trame. y

It will be understood that my invention is not limited to use in connecting the spring systems oit' a locomotive main frame and truck, but may be used in other systems in equalizing any two sets ot spring systems whether used on a locomotive or elsewhere.

Ubviously many variations in the details ot' equalizer carried by said truclr spring and said lever at a point on the latter between its ulcrum and its support.

2. In a locomotive, a main "iframe, a supporting .spring therefor, a truck frame, a supporting spring therefor, an equalizer supporting said truck 'traine through a pivotal connection and having one end carried by said truck spring and extending from said spring towards the longitudinal center line olf the locomotive, and means 'for carrving the other end of said equalizer irom said main frame spring at a point beyond the end of the latter longitudinally ot' the truck.

8. In a. locomotive, a main iframe, a sup'- p uortine; suing there/torq a truck ,trame a supporting spring therefor, a lever supported at its respective ends from one oit' said iframes and `from vthe spring supporting the other oit' said trame '-i, and an equalizer supported at ils respecti ve ends irom the other oit said springs and from said lever.

4. In a locomotive. a main trame, a supporting spring therefor, a truck traine., a supporting spring therefor, a lever pivoted at one end on said truc-k frame and supported at its other end by one of said springs, and a truck iframe supporting equalizer carried by said lever intermediate the ends of the latter and by thel other of said springs.

5. In a locomotive, a main frame, a sup- Cil Cil

porting spring therefor, a truck frame, a supporting spring therefor, a lever pivoted at one end on said truck frame and supported a its other end by said main frame spring', and a truck supporting equalizer carried by said lever and by said truck spring.

6. In a locomotive, a main frame, a truck iframe, a main 'frame supporting spring, a truck rrame supporting spring, an equalizer partly d by and extending diagonally inwardly irom said truck spring, and` a lever pivoted on said truck trame in the rear of said main frame spring and supported at its other end by said main frame spring and car rying the inner portion of said equalizer.

7. In a locomotive, a main frame, aspring supporting said frame, a truck frame, a spring supporting said truck frame, a bracket on said truck trame beyond the end ot said main frame spring, a lever fulcrumed on said bracket and supported by said main frame spring, and an equalizer, said truck spring and said lever having upwardly directed supporting elements for said equalizer, said equalizer beingv fulcrumed on said truck 'frame to support the latter'.

8. In a locon'iotive7 f riving wheels, main trame and support-ing springs therefor located inwardly of said wheels, truck wheels a truck frame and supporting springs thereq for located outwardly oli said truck wheels, members supported by said main springs and by truck frame elements at the rear oi" saidr main trame springs, and equalizers supporting said truck frame between their respective ends, said equalizers each having one end supported by one of said truck springs and having' its 4otlnn end supported by one of said members. L

9. In a locomotive, a main frame, supporting springs therefor, a transverse member carried by said springs, a truck frame, a supporting spring therefor, av lever supported by said meml'ier and by said truck frame. and a truck frame supporting equalizer carried by said truck spring and by said member.

10. In a locomotive, a main frame, a truck iframe, respective springs for supporting said frames, a compound connection between said springs comprising a lever, upwardly directed siqiporting elements there'ior ou one of said springs and on the frame support *l by the E Aier spring, and an equalizer supporting said latter mentioned iframe, and i'qjiwardly directed suppi'irted elements on the spring ttor said latter mentioned iframe and on said lever.

1l. In locomotive, a main 1iii-aina springs supporting the saine, a truck frame having outside wheel pieces and a wheel piece connec/ting member in engagement with said main trame, truck frame supporting springs, brackets on said member spaced from said' wheel pieces, levers each fulcrumed at one end on one of said brackets, and supported from one o said main frame springs at its opposite end, and equalizers each fulcruined between its ends on said member and supported at its ends from one of said truck frame springs and from one of' said levers.

12. In al locomotive truck frame, wheel pieces, a wheel piece connecting member, a i'ulcrum `for a truck frame supporting an equalizer on the lower portion ot said member, and a fulcrum for an equalizer supporting lever on the upper portion of said member'.

13. In a railway vehicle, wheels and journals spaced longitudinally of the vehicle, a spring carried by one journal inwardly of its respective wheel, a spr-ing carried by the other journal outwardly oli its respective wheel, a vehicle frame member, a lever supported by said frame and by one of said springs, and a frame supporting equalizer carried by the other orn said springs and by said lever loe-- tween its iiulcrum and its support.

14. In a railway vehicle, wheels and journals spaced longitudinally of the Vehicle, a spring carried by one journal inwardly of its respective wheel, a spring carried by the other journal outwardly of itsrespective wheel, a vehicle frame member, a lever supported by said frame and by one of said springs, and an equalizer bar supported at its respective ends by one of said springs and by said lever between its ulcrum and its support, respectively, and between its ends supporting a portion of the vehicle frame.

15. In a locomotive truck frame, wheel pieces, a wheel piece connecting member, `a liulcrum on said member for a truck frame f supporting equalizer, and a fulcrum on said member for an equalizer supporting lever, said supporting lever fulcrum being located closer to the longitudinal center line of the frame than said equalizer fulcrum.

1G. In a locomotive, a main frame, a truck- 'rame, respective springs for support-ing said frames,'and a compound connection between said springs comprising a lever carried by one spring and by the trame supported by the other spring, and an equalizer carried by said latter-mentioned spring and by said lever and supporting one of said frames.

In testimony whereoil I hereunto alix my signature thisl 5th day of Oct., 1927.

EINAR o. HALLoUisr. 

